19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16

Analysis

max time kernel
146s
max time network
146s
platform
debian-12_mipsel
resource
debian12-mipsel-20240729-en
resource tags

arch:mipselimage:debian12-mipsel-20240729-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
submitted
29-11-2024 02:09

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General

Target

19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf
Size

151KB
MD5

86ea06ad218a6ca4e51395ef27e41e6c
SHA1

e896de83f0182465a978d5dd1b98db026da681dc
SHA256

19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16
SHA512

1c7396c6277613500977cc9980b4194cc8aeed7fccaee988578b3e808a5978d9aa2ea40e96ec1fd9da6b0929e22c30e925bb18a2d07ca11d8cce56c7df0782ee
SSDEEP

3072:dgZc9h1jlnLA2PiXYeyCcrVNMVGuo9mrThPaLEnvPrNb:dd7lnLA2PiIeyZrVWDo9mrThPaLEnvP5

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

Processes:

19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

description	ioc	Process
File opened for modification	/dev/misc/watchdog	19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf
File opened for modification	/dev/watchdog	19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

Reads system routing table 1 TTPs 1 IoCs

Gets active network interfaces from /proc virtual filesystem.

discovery

Internet Connection Discovery

T1016.001

Processes:

19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

description	ioc	Process
File opened for reading	/proc/net/route	19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

Changes its process name 1 IoCs

Processes:

19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/usr/sbin/dropbear	740	19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

Reads system network configuration 1 TTPs 1 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

Processes:

19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

description	ioc	Process
File opened for reading	/proc/net/route	19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf

/tmp/19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf
/tmp/19897b721dc0c6dd554f3e97fe2e8792a18c0511ec0f447e9510a01b49aead16.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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